var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var bodyParser = require('body-parser')

var app = express();

// favicon.ico请求问题处理
const http = require("http");
const server = http.createServer();
server.on("request", function(req, res) {
	if (req.url !== "/favicon.ico") {
		console.log(req.url);
		res.end();
	}
});

//路由配置
var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');

app.use('/', indexRouter);
app.use('/users', usersRouter);

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

app.use(bodyParser.urlencoded({
	extended: false
}));
app.use(bodyParser.json());

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({
	extended: false
}));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));



// catch 404 and forward to error handler
app.use(function(req, res, next) {
	next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
	// set locals, only providing error in development
	res.locals.message = err.message;
	res.locals.error = req.app.get('env') === 'development' ? err : {};

	// render the error page
	res.status(err.status || 500);
	res.render('error');
});

// 自定义端口
// process.env.PORT = 2000;


//设置跨域访问
app.all('*', function(req, res, next) {
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Access-Control-Allow-Headers",
		"Content-Type, Content-Length, Authorization, Accept, X-Requested-With , yourHeaderFeild");
	res.header("Access-Control-Allow-Methods", "PUT,POST,GET,DELETE,OPTIONS");
	res.header("X-Powered-By", ' 3.2.1');
	res.header("Content-Type", "application/json;charset=utf-8");
	next();
});


// app.listen(3000, () => {
// 	console.log(`启动成功 http://localhost:3000`)
// })

module.exports = app;
